<!DOCTYPE html>
<html class="multicol">
<head>
<meta charset="UTF-8">
<style>

.multicol { width: 300px; -moz-column-width: 100px; height: 100px; }
.R { float:right; }
.L { float: left; }
.clear { clear: left; }

</style>
</head>

<body><div class="L" style="height: 250px;"></div><div class="clear"></div><div style="margin-bottom: 1em;"></div><div class="L" style="height: 250px;"></div><div><div class="clear"><div class="R"></div></div></div></body>

</html>
